BEA-337 [WebLogicServer] errors detected in EM12c

The “Refresh From My Oracle Support” job in EM12c runs daily at 00:00 (midnight) by default. If the OMS host is under load at that time (backups etc.) then this can cause the refresh job to run past the 10 minutes StuckThreadMaxTime limit, which leads to a stuck thread being detected within WebLogic, and EM raising the following incident: